2018 BMW 3 Series 1.5 318i Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: Sport
• Version: 1.5 318i Sport Manual RWD Euro 6 5dr (07/15-) (134 bhp)
• Year: 2018
• Mileage: 121,000 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 1.5 litres, 134 bhp
• Gearbox: Manual
• Drive: Rear-wheel drive
• Colour: White
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 121,000 miles on the clock, this 2018 BMW 3 Series Sport has done roughly 48,800 more miles than a typical 2018 BMW 3 Series. Its asking price of £6,495 is £95 below the AskCar estimate of £6,590. The AskCar estimate uses UK dealer asking prices, including 6,897 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 46 days ago, the asking price has dropped by £300. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Collier Cars in Romford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £95 (1%) under the AskCar estimate of £6,590.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 6,897 priced BMW 3 Series adverts across different ages and specifications, as of 5 November 2026.

A 2018 BMW 3 Series with the 1.5 petrol engine is typically advertised at £10,000: the median of the 32 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 BMW 3 Series has been on sale for at least 46 days.

Price history

AskCar first saw this advert on 20 September 2026 at £6,795. Its asking price is now £6,495, £300 less. The latest price cut was seen on 23 September 2026.

Price changes recorded:

• 20 September 2026: £6,795
• 22 September 2026: £6,595
• 23 September 2026: £6,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 6 December 2026.

It failed its MOT on 28 November 2025 (offside front brakes imbalanced across an axle brake disc warped) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 109,920 miles, which matches the advertised 121,000 miles.

Advertised mileage is about 48,800 miles higher than the median mileage of a 2018 BMW 3 Series on AskCar.